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Finding the Third Proportional to 13,660,315 and 20,770,187

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Solution

The third proportional to 13,660,315 and 20,770,187 is: 31,580,579.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660,315 : 20,770,187 = 20,770,187 : x
  2. Step 2: Convert to fraction form
    13,660,315/20,770,187 = 20,770,187/x
  3. Step 3: Cross multiply
    13,660,315x = 20,770,187 × 20,770,187
  4. Step 4: Simplify right side
    13,660,315x = 431,400,668,014,969
  5. Step 5: Solve for x
    x = 431,400,668,014,969/13,660,315
  6. Step 6: Final answer
    x = 31,580,579.80

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.